they're actually quite different things. Amazon Alexa is the artificial intelligence system (kind of like its "rival" Google Assistant) that responds to your questions, acts on your voice commands ...
Alexa was inspired by the interactive computer voice used in the original Star Trek TV series. The word "Alexa" was chosen ...
Instead, like a phone charger with a made-up name or a knockoff version of your favorite blush, it just kind of appeared on Amazon one day. There’s a big change coming for Alexa, though.